UK Logical Picture Riddle

UK Logical Picture Riddle - 6 February

Can you identify the direction in which this bus is moving; left or right?

Hint: The bus is moving on the roads of UK.

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Critical Thinking Question

Critical Thinking Question - 3 February

In a holy town, three temples sit in a row identical in almost every manner including a holy well in front of them. A pilgrim comes to visit the temples with some flowers in his basket.

At the first temple, he takes some water from the holy well and sprinkles it on the flowers to wash them. To his astonishment, the number of flowers in his basket doubles up. He offers a few of them at the temple and turns back to visit the second temple.

At the second temple, he again takes some water from the holy well and sprinkles it on the flowers to wash them. Again the number of flowers double up in number. He offers some of them at the temple and turns back to visit the third temple.

At third temple he repeats the process again and the number of flowers double up yet again. He offers all the flowers in the third temple.

Now, the pilgrim offered exactly the same number of flowers in all the temples. Can you find out the minimum number of flowers he must have had initially? How many flowers did he offer to god in each of the three temples ?

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Adobe Cool Logical Interview Puzzle

Adobe Cool Logical Interview Puzzle - 30 January

Suppose you are sitting in an interview and the interviewee asks you an aptitude question.

You have three buckets with capacity 4 liters, 8 liters and 10 liters and you have a large tank of water. Now you have to measure 3 liters of water precisely using those buckets. How will you do it?

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Tricky Logical Puzzle

Tricky Logical Puzzle - 26 January

I have one of the three numbers: 1, 2 or 3 in my mind. I speak only truth. You can ask me just one question for which I will only reply in yes or no or don't know. What question will you ask from me so that you are able to know the number ?

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Famous Probability Problem

Famous Probability Problem - 23 January

You are offered an opportunity of winning a fortune. There are 100 precious black stones and 100 unworthy white stones. There are two different sacks labelled as 'Heads' and 'Tails'. You can distribute the stones as per you wish. Then a coin will be flipped. Then you will have to choose a stone from the corresponding sack. If you pick up a black stone, all the fortune of black stones is yours but if you pick up white, you get nothing.

How will you distribute the stones so that you can maximize your chances of winning?

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Hard Calendar Puzzle

Hard Calendar Puzzle - 12 January

A contest is held on international level in December 2013. The finale of it is between an American and a British kid. Only name and date have to be mentioned on the paper for checking purpose. But when the checkers check it, they find out that both of them have same names. The papers cannot be told apart in any manner now.

What is the date of competition ?

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Who Am I Math Puzzle

Who Am I Math Puzzle - 4 January

I start and end with 500 and carry a 5 in my heart. But I require the first letter and the first number to be complete. I am the name of a King.

Who am I ?

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Tricky DE Shaw Interview Puzzle

Tricky DE Shaw Interview Puzzle - 2 January

A simple logical interview question was asked to Rahul by the interviewee:
There is exactly one week between Christmas and New Year. Thus a New Year that occurs right after the Christmas, happens to occur on the same day as Christmas. But in 2030, Christmas will occur on Wednesday and New Year will occur on Tuesday.

How is that possible?

Rahul was able to answer the question. Can you ?

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Impossible Mind Teaser

Impossible Mind Teaser - 19 December

During an experiment, a guy throws a bouncy ball from a 90 feet tall building. The ball has a specific characteristic. Every time it hits the ground, it bounces up half way.

How many bounces do you think the ball will make before it comes to a stop ?

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Hard Number Riddle

Hard Number Riddle - 17 December

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways ?

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Hard Logic Amazon Interview Puzzle

Hard Logic Amazon Interview Puzzle - 13 December

Two friends were stuck in a cottage. They had nothing to do and thus they started playing cards. Suddenly the power went off and Friend 1 inverted the position of 15 cards in the normal deck of 52 cards and shuffled it. Now he asked Friend 2 to divide the cards into two piles (need not be equal) with equal number of cards facing up. The room was quite dark and Friend 2 could not see the cards. He thinks for a while and then divides the cards in two piles.

On checking, the count of cards facing up is same in both the piles. How could Friend 2 have done it ?

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Hard River Crossing Logic Puzzle

Hard River Crossing Logic Puzzle - 28 November

You must have heard of so many river crossing riddles however this one is a bit tricky one. We have a dysfunctional family on one side of the river which includes mom and 2 daughters, dad and 2 sons, a maid and a dog. Like usual, there is a boat that can hold only two persons at a time (dog counts as one person as well). Obviously, the kids can’t operate the boat and we need an adult for that task.

Here comes the difficulties. The maid must remain with the dog so she can control it or it will head up for a violent biting. The dad cannot be left with the daughters without mom and nor can the mother be left alone with the sons without dad.

Can you help them cross the river?

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Tricky Math Logic Problem

Tricky Math Logic Problem - 26 November

A girl was fond of collecting rare stamps. When she was twenty years old, she bought a box to collect her stamps. On her every birthday, she put 250 stamps in it and her sister who was also fond of collecting stamps took out 50 stamps from it on her birthday. The girl met an accident when she was 60 years old. When her box was opened, there were only 500 stamps in it.

How is it possible logically ?

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IAS Logic Problem

IAS Logic Problem - 21 November

Anabelle is a clever trader of rare artifacts. Each day she carries three boxes with each filled with thirty artifacts. The boxes can’t hold more than that. She travels far of northern lands to sell these artifacts but on way, she comes across thirty checkpoints where she has to shed one of the artifact for each sack to the authorities for letting her pass.

How many artifacts will be left with her when she reaches her destination crossing all the check points ?

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Tough Probability Interview Question

Tough Probability Interview Question - 20 November

There is a country where everyone wants a boy. Every family continue to have babies till a boy is born. If the probability of having a girl or a boy is the same, what is the proportion of boys to girls after some time in that country ?

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Great Logic Riddle

Great Logic Riddle - 14 November

Q1. Identify the first question where c) is the accurate answer
a) Q3
b) Q4
c) Q1
d) Q2

Q2. Identify the first question where a) is the accurate answer
a) Q4
b) Q2
c) Q3
d) Q1

Q3. Identify the first question where d) is the accurate answer
a) Q1
b) Q2
c) Q4
d) Q3

Q4. Identify the first question where b) is the accurate answer
a) Q2
b) Q4
c) Q3
d) Q1

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Measuring Time Interview Problem

Measuring Time Interview Problem - 12 November

I possess two wires. Both of them have an inconstant thickness but both of them burns completely in sixty minutes. The problem is that I want to measure forty-five minutes while using these two wires.

How can I measure if cutting the wire in half is not possible due to non-homogeneous construction ?

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Math Brain Twister

Math Brain Twister - 29 October

100^2 - 99^2 + 98^2 - 97^2 + 96^2 - 95^2 + ... + 2^2 - 1^2 = ?

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Math Brain Twister - 29 October

100^2 - 99^2 + 98^2 - 97^2 + 96^2 - 95^2 + ... + 2^2 - 1^2 = ?

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Classic 13 Cave Logic Riddle

Classic 13 Cave Logic Riddle - 25 October

13 caves are arranged in a circle at the temple of doom. One of these caves has the treasure of gems and wealth. Each day the treasure keepers can move the treasure to an adjacent cave or can keep it in the same cave. Every day two treasure seekers visit the place and have enough time to enter any two caves of their choice.

How do the treasure seekers ensure that they find the treasure in minimum possible days ?

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